Finding the Fourth Proportional to 2,655,284,428.81, 3,980,963,103.47 and 1,605,789,311.99
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Solution
The fourth proportional to 2,655,284,428.81, 3,980,963,103.47 and 1,605,789,311.99 is: 2,407,496,512.84
Step by Step Solution
- Step 1: Write the proportion equation
2,655,284,428.81 : 3,980,963,103.47 = 1,605,789,311.99 : x - Step 2: Convert to fraction form
2,655,284,428.81/3,980,963,103.47 = 1,605,789,311.99/x - Step 3: Cross multiply
2,655,284,428.81x = 3,980,963,103.47 × 1,605,789,311.99 - Step 4: Simplify right side
2,655,284,428.81x = 6,392,588,002,950,732,800 - Step 5: Solve for x
x = 6,392,588,002,950,732,800/2,655,284,428.81 - Step 6: Final answer
x = 2,407,496,512.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.